基于css3（transition）和css3選擇器(表單)，寫出的動感效果十足的圖標(biāo)菜單下拉效果，全部使用css3寫的下拉菜單，沒有任何js,當(dāng)你點擊菜單時，子菜單以動畫形式彈出收縮效果。
使用方法：
1、head引入css文件
<link rel="stylesheet" href="css/style.css">
2、body引入部分
<div class="swanky_wrapper">
<input id="Dashboard" name="radio" type="radio">
<label for="Dashboard">
<img src="images/cp.png">
<span>儀表盤</span>
<div class="lil_arrow"></div>
<div class="bar"></div>
<div class="swanky_wrapper__content">
<ul>
<li>工具</li>
<li>報告</li>
<li>分析</li>
<li>代碼塊</li>
</ul>
</div>
</label>
<input id="Sales" name="radio" type="radio">
<label for="Sales">
<img src="images/del.png">
<span>銷售</span>
<div class="lil_arrow"></div>
<div class="bar"></div>
<div class="swanky_wrapper__content">
<ul>
<li>新品</li>
<li>過期</li>
<li>銷售報告</li>
<li>已售</li>
</ul>
</div>
</label>
<input id="Messages" name="radio" type="radio">
<label for="Messages">
<img src="images/mess.png">
<span>信息</span>
<div class="lil_arrow"></div>
<div class="bar"></div>
<div class="swanky_wrapper__content">
<ul>
<li>收件箱</li>
<li>發(fā)件箱</li>
<li>發(fā)件</li>
<li>存檔</li>
</ul>
</div>
</label>
<input id="Users" name="radio" type="radio">
<label for="Users">
<img src="images/users.png">
<span>用戶</span>
<div class="lil_arrow"></div>
<div class="bar"></div>
<div class="swanky_wrapper__content">
<ul>
<li>新用戶</li>
<li>分組</li>
<li>權(quán)限</li>
<li>密碼</li>
</ul>
</div>
</label>
<input id="Settings" name="radio" type="radio">
<label for="Settings">
<img src="images/set.png">
<span>設(shè)置</span>
<div class="lil_arrow"></div>
<div class="swanky_wrapper__content">
<ul>
<li>數(shù)據(jù)庫</li>
<li>設(shè)計</li>
<li>更改用戶</li>
<li>退出</li>
</ul>
</div>
</label>
</div>
